Stephen, Leslie, 1832-1904
University Paperbacks, 1963
Buku Teks
Cunliffe, John William
Books for Libraries Press, 1971
Buku Teks
Bush, Douglas
Clarendom Press , 1962
Buku Teks
edited by I.R. Willison
Cambridge University Press, 1972
Buku Referensi
edited by George Watson
Cambridge University Press, 1971
Buku Referensi